Shooter used assault rifle, also had handgun

ORLANDO, Florida – Police say the shooter at an Orlando nightclub used an AR-15-type assault rifle on all the victims.

Officials say 50 were killed at the popular gay club. That makes it the deadliest mass shooting in U.S. history.

Police Chief John Mina said at a Sunday news conference that the shooter used the assault rifle, with unknown rounds, and also had a handgun.

Officials at the news conference also say they have securing the suspect’s vehicle, a van, right outside the club.

The shooter has been identified as Omar Mateen of Port St. Lucie, Florida. Officials have said they’re investigating whether the massacre was an act of terrorism.

Dr. Mike Cheatham is a trauma surgeon at Orlando Regional Medical Center, where 46 patients were taken. The majority are in critical condition.

He tells The Associated Press, “I think we will see the death toll rise.”